Re: [PATCH v3 2/9] PCI: Add a stub for pci_ats_disabled()

Bjorn Helgaas
2019-04-17T19:48:19Z

On Wed, Apr 17, 2019 at 07:24:41PM +0100, Jean-Philippe Brucker wrote:
> Currently pci_ats_disabled() is only defined when CONFIG_PCI is enabled.
> Since we're about to use the function in the Arm SMMUv3 driver, which
> could be built with CONFIG_PCI disabled, add a definition of
> pci_ats_disabled() for !CONFIG_PCI.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>

Acked-by: Bjorn Helgaas <bhelgaas@google.com>

> ---
> include/linux/pci.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 169c6a18d0b0..61d7cd888bad 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -1713,6 +1713,7 @@ static inline int pci_irqd_intx_xlate(struct irq_domain *d,
> static inline const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
> struct pci_dev *dev)
> { return NULL; }
> +static inline bool pci_ats_disabled(void) { return true; }
> #endif /* CONFIG_PCI */
>
> #ifdef CONFIG_PCI_ATS
> --
> 2.21.0
>